Gibbon, for instance, is a type of APE that belongs to the family Hylobatidae. It is characterized by its long arms and legs, which it uses to swing from tree to tree. Gibbons are found in tropical and subtropical rainforests in Southeast Asia and parts of China. They are omnivorous, eating fruits, leaves, insects, and small animals. They are also known for their loud vocalizations, which can be heard up to a mile away.